Alert archive / Pennsylvania / Winter Storm Warnings in 2008

Winter Storm Warning 4, NWS State College, PA

February 25, 2008McKean County, Potter County, Warren County, Pennsylvania

NWS State College, PA issued this winter storm warning at Feb 25, 2008, 3:15 PM EST for McKean County, Potter County, Warren County, Pennsylvania. It took effect at Feb 26, 2008, 3:00 AM EST. It was in force for 25 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Feb 25, 2008, 3:15 PM EST (20:15 UTC)
In effect from
Feb 26, 2008, 3:00 AM EST
Expired
Feb 27, 2008, 3:35 AM EST
In force
25 hr
Issued by
NWS State College, PA

Counties McKean County, PA, Potter County, PA, Warren County, PA

The radar

The State College radar (KCCX), 108 km from the middle of the area, began a volume at 20:15 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 8.3 hours before the alert went out and 127 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Buffalo Intl Airport, NY at 12:00Z on 2008-02-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Buffalo Intl Airport, NY at 12:00Z on 2008-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 58 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
717 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
58 m²/s²
0-3 km storm-relative helicity
61 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS41 KCTP 252015
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
315 PM EST MON FEB 25 2008

PAZ004>006-260415-
/O.UPG.KCTP.WS.A.0004.080226T1200Z-080227T1200Z/
/O.NEW.KCTP.WS.W.0004.080226T1200Z-080227T1200Z/
WARREN-MCKEAN-POTTER-
315 PM EST MON FEB 25 2008

...WINTER STORM WARNING IN EFFECT FROM 7 AM TUESDAY TO 7 AM EST
WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
STORM WARNING...WHICH IS IN EFFECT FROM 7 AM TUESDAY TO 7 AM EST
WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. 

A STORM SYSTEM MOVING OUT OF THE MIDWEST WILL SPREAD A WINTRY MIX
OF SNOW AND FREEZING RAIN INTO THE REGION LATE TONIGHT AND TUESDAY.

LIGHT SNOW WILL DEVELOP ACROSS THE AREA AFTER MIDNIGHT. THE SNOW
WILL INCREASE IN INTENSITY AFTER SUNRISE TUESDAY MORNING AND
CONTINUE AT VARYING INTENSITIES INTO WEDNESDAY MORNING. SOME
FREEZING RAIN MAY MIX IN AT TIMES TUESDAY AFTERNOON AS WELL.

THE PRECIPITATION WILL TAPER OFF TO SCATTERED SNOW SHOWERS
WEDNESDAY AS THE STORM SYSTEM MOVES TO DOWNEAST MAINE.

STORM TOTAL SNOWFALL WILL RANGE FROM SIX TO EIGHT INCHES...WITH A
LIGHT GLAZE OF ICING POSSIBLE AS WELL.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE
ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED.
THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE
AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS
UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND
A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED.

$$

PAZ010>012-017>019-037-041-042-045-046-049>053-058-260415-
/O.NEW.KCTP.WW.Y.0007.080226T1200Z-080227T1200Z/
ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-NORTHERN CENTRE-
SOUTHERN CENTRE-TIOGA-NORTHERN LYCOMING-SULLIVAN-SOUTHERN CLINTON-
SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-NORTHUMBERLAND-COLUMBIA-
SCHUYLKILL-
315 PM EST MON FEB 25 2008

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM TUESDAY TO 7 AM
EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT FROM 7 AM TUESDAY TO 7 AM
EST WEDNESDAY. 

A STORM SYSTEM MOVING OUT OF THE MIDWEST WILL SPREAD A WINTRY MIX
OF LIGHT SNOW AND FREEZING RAIN INTO THE REGION LATE TONIGHT AND
TUESDAY.

LIGHT SNOW...MIXED WITH SOME LIGHT FREEZING RAIN WILL DEVELOP
ACROSS THE AREA AFTER MIDNIGHT. THE WINTRY MIX WILL CONTINUE
THROUGH THE MORNING COMMUTE...BEFORE CHANGING TO A MIX OF RAIN AND
SNOW DURING THE DAY...AND THEN BACK TO SNOW SHOWERS TUESDAY
EVENING.

THE PRECIPITATION WILL TAPER TO SCATTERED SNOW SHOWERS WEDNESDAY
AS THE STORM SYSTEM MOVES TO DOWNEAST MAINE.

STORM TOTAL SNOWFALL WILL RANGE FROM TWO TO FOUR INCHES...WITH A
LIGHT GLAZE OF ICING POSSIBLE AS WELL.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES. MOTORISTS SHOULD BE
ESPECIALLY CAUTIOUS ON BRIDGES AND OVERPASSES...WHERE SLIPPERY
SPOTS DEVELOP FIRST.

$$

RXR/STEINBUGL/BEACHLER
7 follow-up statements
000 
WWUS41 KCTP 260210
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
910 PM EST MON FEB 25 2008

PAZ004>006-261015-
/O.EXT.KCTP.WS.W.0004.080226T0800Z-080227T1200Z/
WARREN-MCKEAN-POTTER-
910 PM EST MON FEB 25 2008

...WINTER STORM WARNING NOW IN EFFECT FROM 3 AM TUESDAY TO 7 AM
EST WEDNESDAY...

THE WINTER STORM WARNING IS NOW IN EFFECT FROM 3 AM TUESDAY TO
7 AM EST WEDNESDAY. 

A STORM SYSTEM MOVING OUT OF THE MIDWEST WILL SPREAD A WINTRY MIX
OF SNOW AND FREEZING RAIN INTO THE REGION LATE TONIGHT AND
TUESDAY.

LIGHT SNOW WILL DEVELOP ACROSS THE AREA AFTER MIDNIGHT. THE SNOW
WILL INCREASE IN INTENSITY AFTER SUNRISE TUESDAY MORNING AND
CONTINUE AT VARYING INTENSITIES INTO WEDNESDAY MORNING. SOME
FREEZING RAIN MAY MIX IN AT TIMES TUESDAY AFTERNOON AS WELL.

THE PRECIPITATION WILL TAPER OFF TO SCATTERED SNOW SHOWERS
WEDNESDAY AS THE STORM SYSTEM MOVES TO MAINE.

STORM TOTAL SNOWFALL COULD APPROACH EIGHT INCHES...WITH A LIGHT
GLAZE OF ICING POSSIBLE AS WELL.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE
ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED.
THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE
AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS
UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND
A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED.

$$

PAZ024>028-033>036-056-261015-
/O.EXB.KCTP.WW.Y.0007.080226T0800Z-080226T1500Z/
CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-JUNIATA-SOMERSET-BEDFORD-FULTON-
FRANKLIN-PERRY-
910 PM EST MON FEB 25 2008

...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO 10 AM EST
TUESDAY...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A WINTER
WEATHER ADVISORY...WHICH IS IN EFFECT FROM 3 AM TO 10 AM EST
TUESDAY. 

A STORM SYSTEM MOVING OUT OF THE MIDWEST WILL SPREAD A WINTRY MIX
OF LIGHT SNOW AND FREEZING RAIN INTO THE REGION LATE TONIGHT AND
TUESDAY.

LIGHT SNOW...MIXED WITH SOME LIGHT FREEZING RAIN WILL DEVELOP
ACROSS THE AREA AFTER MIDNIGHT. THE WINTRY MIX WILL CONTINUE
THROUGH THE MORNING COMMUTE...BEFORE CHANGING TO MAINLY RAIN LATER
IN THE MORNING. A LIGHT GLAZE OF ICE FROM THE FREEZING RAIN IS
EXPECTED TO FOLLOW AN INITIAL INCH OR TWO OF SNOW.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES. MOTORISTS SHOULD BE
ESPECIALLY CAUTIOUS ON BRIDGES AND OVERPASSES...WHERE SLIPPERY
SPOTS DEVELOP FIRST.

$$

PAZ010>012-017>019-037-041-042-045-046-049>053-058-261015-
/O.EXT.KCTP.WW.Y.0007.080226T0800Z-080227T1200Z/
ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-NORTHERN CENTRE-
SOUTHERN CENTRE-TIOGA-NORTHERN LYCOMING-SULLIVAN-SOUTHERN CLINTON-
SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-NORTHUMBERLAND-COLUMBIA-
SCHUYLKILL-
910 PM EST MON FEB 25 2008

...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 3 AM TUESDAY TO
7 AM EST WEDNESDAY...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT FROM 3 AM TUESDAY TO
7 AM EST WEDNESDAY. 

A STORM SYSTEM MOVING OUT OF THE MIDWEST WILL SPREAD A WINTRY MIX
OF LIGHT SNOW AND FREEZING RAIN INTO THE REGION LATE TONIGHT AND
TUESDAY.

LIGHT SNOW...MIXED WITH SOME LIGHT FREEZING RAIN WILL DEVELOP
ACROSS THE AREA AFTER MIDNIGHT. THE WINTRY MIX WILL CONTINUE
THROUGH THE MORNING COMMUTE...BEFORE CHANGING TO A MIX OF RAIN
AND SNOW DURING THE DAY...AND THEN BACK TO SNOW SHOWERS TUESDAY
EVENING.

THE PRECIPITATION WILL TAPER TO SCATTERED SNOW SHOWERS WEDNESDAY
AS THE STORM SYSTEM MOVES TO MAINE.

STORM TOTAL SNOWFALL WILL RANGE FROM TWO TO FOUR INCHES...WITH A
LIGHT GLAZE OF ICING POSSIBLE AS WELL.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES. MOTORISTS SHOULD BE
ESPECIALLY CAUTIOUS ON BRIDGES AND OVERPASSES...WHERE SLIPPERY
SPOTS DEVELOP FIRST.

$$

DANGELO
000 
WWUS41 KCTP 260819
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
319 AM EST TUE FEB 26 2008

PAZ004>006-261500-
/O.CON.KCTP.WS.W.0004.000000T0000Z-080227T1200Z/
WARREN-MCKEAN-POTTER-
319 AM EST TUE FEB 26 2008

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY. 

SEVERAL INCHES OF SNOW WILL FALL ACROSS THE AREAS TODAY. LIGHT
SNOW WILL INCREASE IN INTENSITY THIS MORNING AND CONTINUE AT
VARYING INTENSITIES INTO WEDNESDAY MORNING. SOME FREEZING RAIN MAY
MIX IN AT TIMES THIS AFTERNOON.

THE PRECIPITATION WILL TAPER OFF TO SCATTERED SNOW SHOWERS
WEDNESDAY AS THE STORM SYSTEM MOVES TO MAINE.

STORM TOTAL SNOWFALL COULD APPROACH EIGHT INCHES...WITH A LIGHT
GLAZE OF ICING POSSIBLE AS WELL.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE
ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED.
THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE
AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS
UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND
A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED.

$$

PAZ010>012-017>019-037-041-042-045-046-049>053-058-261500-
/O.CON.KCTP.WW.Y.0007.000000T0000Z-080227T1200Z/
ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-NORTHERN CENTRE-
SOUTHERN CENTRE-TIOGA-NORTHERN LYCOMING-SULLIVAN-SOUTHERN CLINTON-
SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-NORTHUMBERLAND-COLUMBIA-
SCHUYLKILL-
319 AM EST TUE FEB 26 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY. 

A WINTRY MIX OF LIGHT SNOW...SLEET AND FREEZING RAIN WILL AFFECT
THE REGION TODAY.

LIGHT SNOW...MIXED WITH SOME LIGHT FREEZING RAIN OR SLEET AT TIMES...
WILL AFFECT THE MORNING COMMUTE BEFORE CHANGING TO A MIX OF RAIN
AND SNOW LATER THIS MORNING...AND THEN BACK TO SNOW SHOWERS 
LATE TONIGHT AS THE STORM SYSTEM DEPARTS.

STORM TOTAL SNOWFALL WILL RANGE FROM AROUND ONE TO THREE
INCHES...WITH A LIGHT GLAZE OF ICING POSSIBLE AS WELL.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES. MOTORISTS SHOULD BE
ESPECIALLY CAUTIOUS ON BRIDGES AND OVERPASSES...WHERE SLIPPERY
SPOTS DEVELOP FIRST.

$$

PAZ024>028-033>036-056-261500-
/O.CON.KCTP.WW.Y.0007.000000T0000Z-080226T1500Z/
CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-JUNIATA-SOMERSET-BEDFORD-FULTON-
FRANKLIN-PERRY-
319 AM EST TUE FEB 26 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING. 

A WINTRY MIX OF LIGHT SNOW...SLEET AND FREEZING RAIN WILL AFFECT
THE REGION THIS MORNING.

LIGHT SNOW...MIXED WITH SOME LIGHT FREEZING RAIN OR SLEET...WILL 
AFFECT THE MORNING COMMUTE ACROSS THE AREA BEFORE CHANGING TO
MAINLY RAIN LATER IN THE MORNING. A LIGHT GLAZE OF ICE FROM THE
FREEZING RAIN IS EXPECTED TO FOLLOW AN INITIAL INCH OR TWO OF
SNOW.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES. MOTORISTS SHOULD BE
ESPECIALLY CAUTIOUS ON BRIDGES AND OVERPASSES...WHERE SLIPPERY
SPOTS DEVELOP FIRST.

$$

DEVOIR
000 
WWUS41 KCTP 261505
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1005 AM EST TUE FEB 26 2008

PAZ024>028-033>036-056-261615-
/O.EXP.KCTP.WW.Y.0007.000000T0000Z-080226T1500Z/
CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-JUNIATA-SOMERSET-BEDFORD-FULTON-
FRANKLIN-PERRY-
1005 AM EST TUE FEB 26 2008

...WINTER WEATHER ADVISORY HAS EXPIRED...

THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. 

AS TEMPERATURES HOVER AROUND FREEZING...THE PRECIPITATION
CONTINUES TO TRANSITION TO PLAIN RAIN ACROSS THE REGION. SO THE
WINTER WEATHER ADVISORY HAS BEEN ALLOWED TO EXPIRE. THERE MAY STILL
BE SOME PATCHES OF FREEZING RAIN AND SLIPPERY SPOTS THROUGH THE
MORNING HOURS...BUT THE MAJORITY OF THE PRECIPITATION WILL BE IN
THE FORM OF RAIN.

$$

PAZ004>006-262315-
/O.CON.KCTP.WS.W.0004.000000T0000Z-080227T1200Z/
WARREN-MCKEAN-POTTER-
1005 AM EST TUE FEB 26 2008

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY. 

SEVERAL INCHES OF SNOW WILL FALL ACROSS THE AREAS TODAY. LIGHT
SNOW WILL CONTINUE TO INCREASE IN INTENSITY THIS MORNING AND
CONTINUE AT VARYING INTENSITIES INTO WEDNESDAY MORNING. SOME
FREEZING RAIN MAY MIX IN AT TIMES THIS AFTERNOON.

THE PRECIPITATION WILL TAPER OFF TO SCATTERED SNOW SHOWERS
WEDNESDAY AS THE STORM SYSTEM MOVES TO MAINE.

STORM TOTAL SNOWFALL COULD APPROACH EIGHT INCHES...WITH A LIGHT
GLAZE OF ICING POSSIBLE AS WELL.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE
ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED.
THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE
AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS
UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND
A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED.

$$

PAZ010>012-017>019-037-041-042-045-046-049>053-058-262315-
/O.CON.KCTP.WW.Y.0007.000000T0000Z-080227T1200Z/
ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-NORTHERN CENTRE-
SOUTHERN CENTRE-TIOGA-NORTHERN LYCOMING-SULLIVAN-SOUTHERN CLINTON-
SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-NORTHUMBERLAND-COLUMBIA-
SCHUYLKILL-
1005 AM EST TUE FEB 26 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY. 

A WINTRY MIX OF LIGHT SNOW...SLEET AND FREEZING RAIN WILL AFFECT
THE REGION TODAY.

LIGHT SNOW...MIXED WITH SOME LIGHT FREEZING RAIN OR SLEET AT
TIMES...WILL TRANSITION TO A MIX OF RAIN AND SNOW LATE THIS
MORNING...AND THEN BACK TO SNOW SHOWERS LATE TONIGHT AS THE STORM
SYSTEM DEPARTS.

STORM TOTAL SNOWFALL WILL RANGE FROM AROUND ONE TO THREE INCHES...
WITH A LIGHT GLAZE OF ICING POSSIBLE AS WELL.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES. MOTORISTS SHOULD BE
ESPECIALLY CAUTIOUS ON BRIDGES AND OVERPASSES...WHERE SLIPPERY
SPOTS DEVELOP FIRST.

$$

RXR
000 
WWUS41 KCTP 262025
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
325 PM EST TUE FEB 26 2008

PAZ019-045-046-049>053-058-262130-
/O.CAN.KCTP.WW.Y.0007.000000T0000Z-080227T1200Z/
SOUTHERN CENTRE-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-
MONTOUR-NORTHUMBERLAND-COLUMBIA-SCHUYLKILL-
325 PM EST TUE FEB 26 2008

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS CANCELLED THE
WINTER WEATHER ADVISORY. 

TEMPERATURES HAVE RISEN ABOVE FREEZING ACROSS THE AREA...CHANGING
THE PRECIPITATION TO PLAIN RAIN. HOWEVER...SOME SLIPPERY SPOTS
WILL PERSIST THROUGH THE AFTERNOON.

THE PRECIPITATION WILL TURN BACK TO LIGHT SNOW AGAIN THIS EVENING
AS COLDER AIR FILTERS IN BEHIND A COLD FRONT...WITH JUST AN INCH
OR TWO OF ACCUMULATION.

$$

PAZ004>006-270430-
/O.CON.KCTP.WS.W.0004.000000T0000Z-080227T1200Z/
WARREN-MCKEAN-POTTER-
325 PM EST TUE FEB 26 2008

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY. 

PERIODS OF SNOW WILL CONTINUE AT VARYING INTENSITIES THROUGH
TONIGHT...SOME FREEZING RAIN MAY MIX IN AT TIMES LATE THIS
AFTERNOON.

STORM TOTAL SNOWFALL COULD APPROACH EIGHT INCHES...WITH A LIGHT
GLAZE OF ICING POSSIBLE AS WELL.

THE PRECIPITATION WILL TAPER OFF TO SCATTERED SNOW SHOWERS
WEDNESDAY AS THE STORM SYSTEM MOVES TO MAINE.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE
ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED.
THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE
AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS
UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND
A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED.

$$

PAZ010>012-017-018-037-041-042-270430-
/O.CON.KCTP.WW.Y.0007.000000T0000Z-080227T1200Z/
ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-NORTHERN CENTRE-TIOGA-
NORTHERN LYCOMING-SULLIVAN-
325 PM EST TUE FEB 26 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY. 

A WINTRY MIX OF LIGHT SNOW...SLEET AND FREEZING RAIN WILL CONTINUE
TO AFFECT THE REGION THROUGH THE EVENING HOURS. THE PRECIPITATION
WILL TRANSITION BACK TO SNOW SHOWERS LATE TONIGHT AS THE STORM
SYSTEM DEPARTS.

STORM TOTAL SNOWFALL WILL RANGE FROM AROUND ONE TO THREE INCHES...
WITH A LIGHT GLAZE OF ICING POSSIBLE AS WELL.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES. MOTORISTS SHOULD BE
ESPECIALLY CAUTIOUS ON BRIDGES AND OVERPASSES...WHERE SLIPPERY
SPOTS DEVELOP FIRST.

$$

RXR
000 
WWUS41 KCTP 270021
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
721 PM EST TUE FEB 26 2008

PAZ004>006-270830-
/O.CON.KCTP.WS.W.0004.000000T0000Z-080227T1200Z/
WARREN-MCKEAN-POTTER-
721 PM EST TUE FEB 26 2008

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY. 

STEADY LIGHT SNOW WILL CONTINUE THROUGH LATE THIS EVENING...AND
MAY BECOME HEAVY AT TIMES OVERNIGHT. ADDITIONAL ACCUMULATIONS WILL
RANGE FROM 3 TO 5 INCHES. 

STORM TOTAL SNOWFALL BY WEDNESDAY MORNING IS EXPECTED TO RANGE FROM
7 TO 12 INCHES.

WINDS WILL SHIFT AROUND TO THE NORTHWEST AND INCREASE LATER
TONIGHT INTO WEDNESDAY WITH GUSTS UP TO 30 MPH. THIS WILL RESULT
IN SOME BLOWING AND DRIFTING OF SNOW...ESPECIALLY IN OPEN AREAS.

TEMPERATURES WILL FALL THROUGH THE 20S OVERNIGHT AND INTO THE MID
TO UPPER TEENS BY EARLY WEDNESDAY MORNING. BRISK WINDS COMBINED
WITH FALLING TEMPERATURES WILL PRODUCE WIND CHILLS IN THE SINGLE
DIGITS ABOVE ZERO. 

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE
ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED.
THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE
AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS
UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND
A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED.

$$

PAZ024-033-270830-
/O.NEW.KCTP.SN.Y.0003.080227T0021Z-080227T1200Z/
CAMBRIA-SOMERSET-
721 PM EST TUE FEB 26 2008

...SNOW ADVISORY IN EFFECT UNTIL 7 AM EST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A SNOW
ADVISORY...WHICH IS IN EFFECT UNTIL 7 AM EST WEDNESDAY. 

SNOW WILL INCREASE IN INTENSITY THROUGH LATE THIS EVENING ACROSS
THE LAUREL HIGHLANDS AS MUCH COLDER AIR SWEEPS INTO THE AREA ON
THE BACKSIDE OF A LOW PRESSURE SYSTEM MOVING NORTHEAST FROM THE
POCONOS AND INTO THE GULF OF MAINE. 

ACCUMULATIONS ARE EXPECTED TO RANGE FROM 2 TO 4 INCHES...WITH THE
HIGHEST AMOUNTS ACROSS THE WEST-FACING MOUNTAIN ELEVATIONS.

WINDS WILL SHIFT AROUND TO THE WEST-NORTHWEST AND INCREASE
OVERNIGHT...GUSTING AT TIMES OVER 30 MPH. THIS WILL RESULT
IN SOME BLOWING AND DRIFTING OF SNOW...ESPECIALLY IN OPEN AREAS.

TEMPERATURES WILL FALL THROUGH THE 20S OVERNIGHT AND INTO THE MID
TO UPPER TEENS BY EARLY WEDNESDAY MORNING. BRISK WINDS COMBINED
WITH FALLING TEMPERATURES WILL PRODUCE WIND CHILLS IN THE SINGLE
DIGITS ABOVE ZERO. 

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL
DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED
VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

PAZ010>012-017-018-037-041-042-270830-
/O.CON.KCTP.WW.Y.0007.000000T0000Z-080227T1200Z/
ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-NORTHERN CENTRE-TIOGA-
NORTHERN LYCOMING-SULLIVAN-
721 PM EST TUE FEB 26 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY. 

PERIODS OF LIGHT SNOW WILL CONTINUE THROUGH LATE THIS EVENING AND
INTO TONIGHT...BEFORE TAPERING OFF TO SCATTERED SNOW SHOWERS BY
EARLY WEDNESDAY MORNING.

ADDITIONAL ACCUMULATIONS WILL RANGE FROM 1 TO 3 INCHES. WINDS WILL
SHIFT AROUND TO THE NORTHWEST AND INCREASE OVERNIGHT...GUSTING UP
TO 30 MPH AT TIMES. 

FALLING TEMPERATURES OVERNIGHT MAY LEAD TO SLIPPERY TRAVEL...AS
WET...UNTREATED ROADS MAY BECOME ICY OR SNOW COVERED.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES. MOTORISTS SHOULD BE
ESPECIALLY CAUTIOUS ON BRIDGES AND OVERPASSES...WHERE SLIPPERY
SPOTS DEVELOP FIRST.

$$

STEINBUGL/TYBURSKI/MACH
000 
WWUS41 KCTP 270701
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
201 AM EST WED FEB 27 2008

PAZ004>006-271200-
/O.CON.KCTP.WS.W.0004.000000T0000Z-080227T1200Z/
WARREN-MCKEAN-POTTER-
201 AM EST WED FEB 27 2008

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING. 

STEADY LIGHT SNOW WILL CONTINUE THROUGH 7 AM THIS MORNING. 
ADDITIONAL ACCUMULATIONS WILL RANGE FROM 1 TO 3 INCHES...
BRINGING STORM TOTAL SNOWFALL TO BETWEEN 7 AND 12 INCHES.

WEST TO NORTHWEST WINDS WILL INCREASE LATER THIS MORNING...GUSTING 
AT TIMES OVER 30 MPH. THIS WILL RESULT IN SOME BLOWING AND
DRIFTING OF SNOW...ESPECIALLY IN OPEN AREAS. THE WIND COMBINED
WITH TEMPERATURES FALLING INTO THE MIDDLE TEENS WILL PRODUCE WIND
CHILLS IN THE SINGLE DIGITS ABOVE ZERO THIS MORNING.

A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW OR ICE
ARE EXPECTED OR OCCURRING. ANY TRAVEL IS STRONGLY DISCOURAGED.
THOSE WITH TRAVEL PLANS IN THE WARNED AREA ARE ADVISED TO CHOOSE
AN ALTERNATIVE ROUTE...OR SHOULD USE EXTREME CAUTION IF TRAVEL IS
UNAVOIDABLE. CARRY EXTRA SUPPLIES...INCLUDING BLANKETS...FOOD AND
A CELLULAR PHONE...IN CASE YOUR CAR BECOMES STRANDED.

$$

PAZ033-271515-
/O.EXT.KCTP.SN.Y.0003.000000T0000Z-080228T1200Z/
SOMERSET-
201 AM EST WED FEB 27 2008

...SNOW ADVISORY NOW IN EFFECT UNTIL 7 AM EST THURSDAY...

THE SNOW ADVISORY IS NOW IN EFFECT UNTIL 7 AM EST THURSDAY. 

PERIODS OF SNOW WILL CONTINUE TO ACCUMULATE ACROSS THE LAUREL
HIGHLANDS TODAY THROUGH EARLY THURSDAY AS MUCH COLDER AIR SWEEPS
INTO THE REGION ON NORTHWEST WINDS.

ADDITIONAL ACCUMULATIONS THROUGH THURSDAY MORNING ARE EXPECTED TO
RANGE FROM 3 TO 6 INCHES...WITH THE HIGHEST AMOUNTS ACROSS THE
WEST-FACING MOUNTAIN SLOPES.

WEST TO NORTHWEST WINDS WILL INCREASE LATER THIS MORNING...GUSTING 
AT TIMES OVER 30 MPH. THIS WILL RESULT IN SOME BLOWING AND
DRIFTING OF SNOW...ESPECIALLY IN OPEN AREAS. THE WIND COMBINED
WITH TEMPERATURES FALLING INTO THE MIDDLE TEENS WILL PRODUCE WIND
CHILLS IN THE SINGLE DIGITS ABOVE ZERO THIS MORNING.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL
DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED
VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

PAZ024-271200-
/O.CON.KCTP.SN.Y.0003.000000T0000Z-080227T1200Z/
CAMBRIA-
201 AM EST WED FEB 27 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS MORNING. 

PERIODS OF SNOW WILL CONTINUE TO ACCUMULATE THROUGH 7 AM THIS
MORNING. ACCUMULATIONS BY SUNRISE ARE EXPECTED TO RANGE FROM 2 TO
4 INCHES...WITH THE HIGHEST AMOUNTS ACROSS THE WEST-FACING
MOUNTAIN ELEVATIONS.

WEST TO NORTHWEST WINDS WILL INCREASE LATER THIS MORNING...GUSTING 
AT TIMES OVER 30 MPH. THIS WILL RESULT IN SOME BLOWING AND
DRIFTING OF SNOW...ESPECIALLY IN OPEN AREAS. THE WIND COMBINED
WITH TEMPERATURES FALLING INTO THE MIDDLE TEENS WILL PRODUCE WIND
CHILLS IN THE SINGLE DIGITS ABOVE ZERO THIS MORNING.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL
DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED
VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

PAZ010>012-017-018-037-041-042-271200-
/O.CON.KCTP.WW.Y.0007.000000T0000Z-080227T1200Z/
ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-NORTHERN CENTRE-TIOGA-
NORTHERN LYCOMING-SULLIVAN-
201 AM EST WED FEB 27 2008

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THIS
MORNING. 

PERIODS OF LIGHT SNOW TAPER OFF TO SCATTERED SNOW SHOWERS BY 7 AM
THIS MORNING. 

ADDITIONAL ACCUMULATIONS WILL RANGE FROM 1 TO 3 INCHES. NORTHWEST 
WINDS WILL INCREASE OVERNIGHT... GUSTING UP TO 30 MPH AT TIMES.
THE FALLING TEMPERATURES MAY LEAD TO SLIPPERY TRAVEL...AS
WET...UNTREATED ROADS MAY BECOME ICY OR SNOW COVERED.

A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR
FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR
SLIPPERY ROADS AND LIMITED VISIBILITIES. MOTORISTS SHOULD BE
ESPECIALLY CAUTIOUS ON BRIDGES AND OVERPASSES...WHERE SLIPPERY
SPOTS DEVELOP FIRST.

$$

DEVOIR
000 
WWUS41 KCTP 270835
WSWCTP

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE STATE COLLEGE PA
335 AM EST WED FEB 27 2008

PAZ004>006-270945-
/O.CAN.KCTP.WS.W.0004.000000T0000Z-080227T1200Z/
WARREN-MCKEAN-POTTER-
335 AM EST WED FEB 27 2008

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS CANCELLED THE
WINTER STORM WARNING. 

LAKE EFFECT SNOW SHOWERS WILL PRODUCE A COATING TO AN INCH OR TWO
OF ACCUMULATION TODAY INTO TONIGHT...HOWEVER...THE THREAT FOR 
ANY ADDITIONAL HEAVY SNOWFALL ACROSS THE AREA HAS ENDED. THEREFORE
THE WINTER STORM WARNING HAS BEEN CANCELLED.

$$

PAZ010>012-017-018-037-041-042-270945-
/O.CAN.KCTP.WW.Y.0007.000000T0000Z-080227T1200Z/
ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-NORTHERN CENTRE-TIOGA-
NORTHERN LYCOMING-SULLIVAN-
335 AM EST WED FEB 27 2008

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS CANCELLED THE
WINTER WEATHER ADVISORY. 

SCATTERED SNOW SHOWERS WILL PRODUCE ONLY LIGHT ADDITIONAL
ACCUMULATION TODAY INTO TONIGHT. THEREFORE...THE WINTER WEATHER
ADVISORY HAS BEEN CANCELLED.

$$

PAZ024-270945-
/O.CAN.KCTP.SN.Y.0003.000000T0000Z-080227T1200Z/
CAMBRIA-
335 AM EST WED FEB 27 2008

...SNOW ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS CANCELLED THE
SNOW ADVISORY. 

SCATTERED SNOW SHOWERS WILL PRODUCE ONLY LIGHT ADDITIONAL
ACCUMULATION TODAY INTO TONIGHT. THEREFORE...THE SNOW ADVISORY HAS
BEEN CANCELLED.

$$

PAZ010>012-017-018-037-041-042-270945-
/O.CAN.KCTP.WW.Y.0007.000000T0000Z-080227T1200Z/
ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-NORTHERN CENTRE-TIOGA-
NORTHERN LYCOMING-SULLIVAN-
335 AM EST WED FEB 27 2008

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS CANCELLED THE
WINTER WEATHER ADVISORY. 

SNOW SHOWERS WILL PRODUCE ONLY A LIGHT ADDITIONAL ACCUMULATION
TODAY INTO TONIGHT. THEREFORE...THE WINTER WEATHER ADVISORY HAS
BEEN CANCELLED.

$$

PAZ033-271700-
/O.CON.KCTP.SN.Y.0003.000000T0000Z-080228T1200Z/
SOMERSET-
335 AM EST WED FEB 27 2008

...SNOW ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THURSDAY...

A SNOW ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST THURSDAY. 

PERIODS OF SNOW WILL CONTINUE TO ACCUMULATE ACROSS THE LAUREL
HIGHLANDS TODAY THROUGH EARLY THURSDAY AS MUCH COLDER AIR SWEEPS
INTO THE REGION ON NORTHWEST WINDS.

ADDITIONAL ACCUMULATIONS THROUGH THURSDAY MORNING ARE EXPECTED TO
RANGE FROM 3 TO 6 INCHES...WITH THE HIGHEST AMOUNTS ACROSS THE
WEST-FACING MOUNTAIN SLOPES.

WEST TO NORTHWEST WINDS WILL INCREASE LATER THIS MORNING...
GUSTING AT TIMES OVER 30 MPH. THIS WILL RESULT IN SOME BLOWING
AND DRIFTING OF SNOW...ESPECIALLY IN OPEN AREAS. THE WIND
COMBINED WITH TEMPERATURES FALLING INTO THE MIDDLE TEENS WILL
PRODUCE WIND CHILLS IN THE SINGLE DIGITS ABOVE ZERO THIS MORNING.

A SNOW ADVISORY MEANS THAT PERIODS OF SNOW WILL CAUSE TRAVEL
DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED
VISIBILITIES...AND USE CAUTION WHILE DRIVING.

$$

DEVOIR

What forecasters said that day

The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS State College, PA wrote its last area forecast discussion before this winter storm warning went out at Feb 25, 2:02 PM EST, 1 hour 13 minutes earlier.

Area forecast discussion, Feb 25, 2:02 PM EST, 1 hour 13 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE STATE COLLEGE PA
202 PM EST MON FEB 25 2008

.SYNOPSIS...
A STORM SYSTEM MOVING OUT OF THE MIDWEST WILL SPREAD MORE WINTRY
WEATHER ACROSS THE REGION LATE TONIGHT INTO MID WEEK. HIGH
PRESSURE WILL CONTROL THE WEATHER INTO TONIGHT BEFORE A STRONG
COLD FRONT PASSES THROUGH THE REGION TUESDAY. THIS WILL BE
FOLLOWED ANOTHER BLAST OF COLD AIR FOR THE LATTER HALF OF THE
WEEK.

&&

.NEAR TERM /THROUGH TONIGHT/...
HIGH PRESSURE IN CONTROL THIS AFTERNOON WITH CLEAR SKIES IN THE
EAST AND A STRATOCU DECK TRAPPED UNDER THE INVERSION IN THE WEST.
CLOUDS WILL BREAK FOR A BIT AROUND SUNSET BEFORE INCREASING AGAIN
AHEAD OF AN APPROACHING LOW PRESSURE SYSTEM.

PRECIP WILL BEGIN TO EXPAND INTO THE REGION FROM THE SOUTH AROUND
09Z...AND BRING AN INITIAL PERIOD OF LIGHT SNOW/FREEZING RAIN FOR
A COUPLE OF HOURS. THEN WITH WARMER AIR MOVING NORTHWARD...PRECIP
SHOULD ALREADY BE TRANSITIONING TO RAIN ALONG THE SOUTHERN
COUNTIES AND TOWARD RAIN WITH A FREEZING RAIN/SNOW MIX IN THE
CENTRAL. THROUGH TONIGHT PRECIP WILL BE IN THE FORM OF SNOW FOR
THE NORTHERN TIER.

&&

.SHORT TERM /TUESDAY/...
NEW GUIDANCE CONTINUES TO BACK OFF ON THE TIMING OF THE PRECIP
ONSET...WITH NUMBERS SUGGESTING THINGS HOLD OFF UNTIL AT LEAST THE
LAST HALF OF THE OVERNIGHT. HAVE BASICALLY DISCOUNTED THE
NAM/SREFS ALTOGETHER AS THEY ARE THE OUTLIER AMONG THE OPERATIONAL
GFS/ECMWF/CANADIAN AND GEFS GUIDANCE. SO WILL SPEND THE REST OF
THE DISCUSSION TALKING ABOUT WHAT I CONSIDERED AMONG THOSE LAST 4.

ALL THE MODELS SHOW THE SURFACE LOW SLIDING ALMOST DUE EAST ACROSS
THE REGION LASTER TONIGHT AND TUESDAY. THERMAL PROFILES ONCE AGAIN
POINT TO A COMPLEX WEATHER SCENARIO DIFFICULT TO TRY AND DESCRIBE
WITH WORDS AND EVEN HARDER TO PAINT IN THE GRIDDED DATA. AT LEAST
FOR THE OVERNIGHT MODELS SUGGEST THE FAR NORTHERN TIER WILL SEE
SOME SNOW DEVELOP...POSSIBLY MIXED WITH SOME FREEZING RAIN. FOR
ABOUT THE SOUTHERN 2/3 TO 3/4 OF THE FCST AREA...WARM AIR IS
EXPECTED TO SURGE IN ALOFT CREATING THE POTENTIAL FOR
RAIN/FREEZING RAIN FOR A TIME TONIGHT INTO EARLY TUESDAY MORNING.
WITH THE TIMING OF THINGS DELAYED...WE SHOULD SEE JUST ENOUGH RAD
COOLING TO MAKE THIS ICY MIX A POSSIBILITY.

HAVE PUT UP A WATCH ACROSS THE FAR NORTH WITH THE SOUTHERN TRACK
OF THE STORM SUGGESTING MAINLY SNOW THERE. A NARROW AREA OF 6+
INCHES IS POSSIBLE TUESDAY INTO TUESDAY NIGHT. AM NOT SUPER
CONFIDENT IN REACHING THE 6/12HR CRITERIA BUT BY WED MORNING SOME
8 AMOUNTS COULD BE POSSIBLE. STILL...I WONT BE TOTALLY SURPRISED
IF THE WATCH NEEDS TO BE EXPANDED SOUTH LATER TODAY AS THE ECMWF
AND CAN MODELS BOTH SUGGEST MORE SNOW FURTHER SOUTH. WITH THE
LATEST GUIDANCE MAKING FOR SUCH A RADICAL SHIFT IN THINKING...I
CHOSE TO ISSUE THE CURRENT WATCH AND ADDRESS THE UNCERTAINTIES
HERE. ANOTHER COMPLICATING FACTOR...EVEN IF THE SNOW CONFIGURATION
WORKS OUT PERFECTLY...WILL BE THE POTENTIAL FOR A WINTER WEATHER
ADVISORY BEING NEEDED FOR A TIME LATE TONIGHT AND EARLY TUES OVER
MUCH OF THE REGION FOR SOME LIGHT FREEZING RAIN. AGAIN...THE
LATEST GUIDANCE FORCED SUCH A BIG SHIFT IN THINKING...I DISNT WANT
TO GO RIGHT TO AN ADVISORY FOR WHAT WUD BE LATE SECOND PERIOD...AS
I ALL OF A SUDDEN HOISTED THE WATCH. THINK THE DAY SHIFT CAN
DECIDE IF OVERNIGHT TEMPS WILL FALL ENOUGH AS PRECIP DEVELOPS TO
WARRANT THE ADVISORY. IT ALL MAKES FOR A VERY COMPLICATED PACKAGE
TO TRY AND DEAL WITH OVER THE NEXT DAY OR SO.

&&

.LONG TERM /TUESDAY NIGHT THROUGH SUNDAY/...
THE SURFACE LOW WILL LIKELY CENTER JUMP TO THE NJ COAST BY TUES
EVENING...BEFORE SHOOTING UP THE NEW ENGLAND COAST TWD DOWN-EAST
MAINE. IN THE MEAN TIME WE SEE THE UPPER LOW FCST TO TRACK OVER THE
AREA WITH GUIDANCE CONSISTENT IN SUGGESTING THE DEVELOPMENT OF A
FORMIDABLE LOOKING DEFORMATION ZONE BACK INTO THE CNTRL
APPALACHIANS. THIS SHUD ALLOW AT LEAST LIGHT SNOW TO CONTINUE TUES
NIGHT INTO WEDNESDAY BEFORE WE TRANSITION INTO THE MORE FAMILIAR
NW FLOW PATTERN WE ALL KNOW AND LOVE AT THIS TIME OF YEAR. EXACT
PLACEMENT OF WHERE THE HEAVIEST SNOW WILL SET-UP WITHIN THE
DEFORMATION ZONE/FRONTOGENETIC FORCING BAND CANNOT BE DETERMINED
AT THIS RANGE...BUT MOST GUIDANCE AND EXPERIENCE SUGGESTS THE NRN
AND WRN MTNS OF CNTRL PA STAND THE BEST CHANCE AT PICKING UP SOME
LGT TO MOD ACCUMS.

BELOW NORMAL TEMPS WILL MOVE IN FOR THE LAST PART OF THE WEEK INTO
THE FIRST PART OF THE WEEKEND AS A MEAN TROF DEVELOPS OVER THE
EASTERN US. A SURGE OF MILD AIR AND POSSIBLY SOME DECENT RAINS IS
THEN ADVERTISED FOR THE LATE WEEKEND AND EARLY NEXT WEEK TIME
FRAME.

&&

.AVIATION /18Z MONDAY THROUGH SATURDAY/...
HIGH PRESSURE IN CONTROL THIS AFTERNOON WITH CLEAR SKIES IN THE
EAST AND A STRATOCU DECK TRAPPED UNDER THE INVERSION IN THE WEST
KEEPING CIGS GENERALLY BETWEEN 15-25 KFT /EXCEPT A BIT LOWER AT
KJST/.

CONDITIONS WILL DETERIORATE AFTER MIDNIGHT /05Z/ AS WARM ADVECTION
BEGINS...REINFORCING THE LOWER CLOUDS AND BRINGING LIGHT PRECIP IN
FROM THE SW AFTER ABOUT 09Z. WE/LL SEE A LIGHT WINTRY MIX EARLY ON
WITH A TRANSITION TO RAIN ACROSS THE SOUTH...RAIN MIXED WITH
FREEZING RAIN AND SNOW IN THE CENTRAL AND PREDOMINANTLY SNOW IN
THE NORTH. AS THIS STORM SYSTEM MOVES THROUGH WITH ASSOCIATED COLD
FRONT LATER TUESDAY...COLDER AND WINDIER CONDITIONS SWEEP IN
BEHIND. WINDS WILL TURN W/NW AT 15-25 MPH WITH HIGHER GUSTS. ALSO
BY TUE NIGHT WE TRANSITION TO A WINTER TYPE REGIME WITH VFR IN
THE EAST AND MVFR/IFR SNOW SHOWERS AND LOWER CLOUDS FOR THE HIGHER
ELEVATIONS OF THE W AND N.

GUSTY NW WINDS EXPECTED TO CONTINUE IN THE WAKE OF THIS STORM WED
AND THURS...CREATING LAKE EFFECT SNOW SHWRS OVR THE ALLEGHENY
HIGHLANDS /KBFD AND KJST/...WHILE VFR CONDS LIKELY TO PREDOMINATE
EAST OF THE MTNS.

A WARMING TREND ON FRIDAY...BEFORE THE NEXT SYSTEM SLIDES THROUGH
FRI NIGHT INTO SAT.

&&

.CTP WATCHES/WARNINGS/ADVISORIES...
WINTER STORM WATCH FROM TUESDAY MORNING THROUGH WEDNESDAY
MORNING FOR PAZ004>006.

&&

SYNOPSIS...LACORTE
NEAR TERM...RXR
SHORT TERM...LACORTE
LONG TERM...LACORTE
AVIATION...RXR
Hazardous weather outlook, Feb 25, 4:05 AM EST, 11 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE STATE COLLEGE PA
405 AM EST MON FEB 25 2008

PAZ004>006-260915-
WARREN-MCKEAN-POTTER-
405 AM EST MON FEB 25 2008

...WINTER STORM WATCH IN EFFECT FROM TUESDAY MORNING THROUGH
WEDNESDAY MORNING...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT

A STORM WILL MOVE IN OVERNIGHT AND BRING A WINTRY MIX OF SNOW AND
SOME FREEZING RAIN BY TUESDAY MORNING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO
WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE
INFORMATION ABOUT THE FOLLOWING HAZARDS.

   WINTER STORM WATCH.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE REQUESTED TO REPORT SNOW AND ICE
ACCUMULATIONS TO THE NATIONAL WEATHER SERVICE IN STATE COLLEGE.

PAZ010>012-017>019-024>028-033>037-041-042-045-046-049>053-056>059-
063>066-260915-
ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD-NORTHERN CENTRE-
SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN-JUNIATA-SOMERSET-
BEDFORD-FULTON-FRANKLIN-TIOGA-NORTHERN LYCOMING-SULLIVAN-
SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-
NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-CUMBERLAND-
ADAMS-YORK-LANCASTER-
405 AM EST MON FEB 25 2008

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA.

.DAY ONE...TODAY AND TONIGHT

A STORM WILL MOVE IN OVERNIGHT MAY CAUSE MINOR ACCUMULATIONS OF
SNOW OR ICE INTO TUESDAY TUESDAY MORNING.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

A STORM WILL MOVE IN OVERNIGHT MAY CAUSE MINOR ACCUMULATIONS OF
SNOW OR ICE INTO TUESDAY TUESDAY MORNING.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE REQUESTED TO REPORT SNOW AND ICE
ACCUMULATIONS TO THE NATIONAL WEATHER SERVICE IN STATE COLLEGE.

The office that day

Everything else NWS State College, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 25, 4:02 AM ESTWinter Storm WatchCTPMcKean, Potter, Warren11 hr
Feb 25, 3:15 PM ESTWinter Weather AdvisoryCTPBedford, Blair, Cambria, Cameron, Centre, Clearfield and 18 more36 hr

Nearby

Winter Storm Warnings in Pennsylvania, 2008Every winter storm warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.